From: Andrew Burgess <aab@cichlid.com>
To: Janek Kozicki <janek_listy@wp.pl>
Cc: linux-raid@vger.kernel.org
Subject: Re: Adaptec 2405 : hardware or software raid?
Date: Mon, 25 May 2009 09:52:30 -0700 [thread overview]
Message-ID: <1243270350.11073.16.camel@cichlid.com> (raw)
In-Reply-To: <20090525173201.25dc3f35@hydro.bl.pg.gda.pl>
On Mon, 2009-05-25 at 17:32 +0200, Janek Kozicki wrote:
> Hi,
>
> I've bought the cheap Adaptec 2405 SAS controller for the sole
> purpose of using 15k rpm HDDs. It turns out that to expose the HDDs
> to the system I must first launch the computer from enclosed CD and
> create some logical volumes. Those logical volumes can mix HDDs in
> various raid configurations (1,0,10,5) and expose a single
> device, eg. /dev/sda from multiple HDDs.
>
> This is the first time when I see the "logical volumes" option
> mandatory. I was planning to access the HDDs directly and create
> software raid on them with mdadm.
This datasheet says JBOD is available (Just a Bunch of Disks - exposing
the raw disks to the OS)
http://adaptec.com/en-US/products/Controllers/Hardware/sas/entry/SAS-2405/_details/Series2_datasheet.htm?nc=/en-US/products/Controllers/Hardware/sas/entry/SAS-2405/_details/Series2_datasheet.htm
main page
http://adaptec.com/en-US/products/Controllers/Hardware/sas/entry/SAS-2405/
next prev parent reply other threads:[~2009-05-25 16:52 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-25 15:32 Adaptec 2405 : hardware or software raid? Janek Kozicki
2009-05-25 16:52 ` Andrew Burgess [this message]
2009-05-25 17:05 ` Upgrading a software RAID Maxime Boissonneault
2009-05-28 13:38 ` Bill Davidsen
2009-05-28 13:44 ` Maxime Boissonneault
2009-05-28 14:05 ` Bill Davidsen
2009-05-28 14:14 ` Robin Hill
2009-05-28 14:32 ` Maxime Boissonneault
2009-05-28 15:08 ` Robin Hill
2009-05-30 18:11 ` Maxime Boissonneault
2009-05-30 19:03 ` Robin Hill
2009-05-30 20:03 ` Maxime Boissonneault
2009-05-30 20:15 ` Robin Hill
2009-05-30 22:18 ` Maxime Boissonneault
2009-05-30 22:52 ` Maxime Boissonneault
2009-06-02 18:23 ` Bill Davidsen
2009-06-02 18:32 ` Thomas Fjellstrom
2009-06-02 19:57 ` Bill Davidsen
2009-06-02 20:03 ` Thomas Fjellstrom
2009-06-02 21:13 ` CoolCold
2009-06-03 16:30 ` Bill Davidsen
2009-05-29 8:58 ` Keld Jørn Simonsen
2009-05-30 18:32 ` Bill Davidsen
2009-05-30 18:35 ` Maxime Boissonneault
2009-05-30 19:10 ` Robin Hill
2009-05-30 22:39 ` Bill Davidsen
2009-05-31 0:17 ` Keld Jørn Simonsen
2009-05-31 5:21 ` Maxime Boissonneault
2009-06-02 18:33 ` Bill Davidsen
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